stashedFiles.add(new StashedFile(fileToDelete, stashedFile));
        }
        return stashedFiles;
    }

    private void deleteEmptyDirectoriesAfterCompilation(List<StashedFile> stashedFiles) {
        ImmutableSet<File> outputDirectories = getOutputDirectories();
        Set<File> potentiallyEmptyFolders = stashedFiles.stream()
            .map(file -> file.sourceFile.getParentFile())